<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width,initial-scale=1.0">
  <title>index</title>
</head>
<body>
<div id="app">
  <input type="text" :value="company">
  <!--双向数据绑定-->
  <input type="text" v-model="company">
  <span>{{company}}</span>
</div>
<script src="vue.js"></script>
<script>
  new Vue({
    el: '#app',
    data: {
      company: '尚硅谷'
    }
  })
</script>
</body>
</html>